Home / 77,704,566-107,229,484.56-42,896,507.28

Finding the Fourth Proportional to 77,704,566, 107,229,484.56 and 42,896,507.28

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Solution

The fourth proportional to 77,704,566, 107,229,484.56 and 42,896,507.28 is: 59,195,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,704,566 : 107,229,484.56 = 42,896,507.28 : x
  2. Step 2: Convert to fraction form
    77,704,566/107,229,484.56 = 42,896,507.28/x
  3. Step 3: Cross multiply
    77,704,566x = 107,229,484.56 × 42,896,507.28
  4. Step 4: Simplify right side
    77,704,566x = 4,599,770,365,058,688
  5. Step 5: Solve for x
    x = 4,599,770,365,058,688/77,704,566
  6. Step 6: Final answer
    x = 59,195,625.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.